# Atmel EDBG-based Tools Protocols
Protocol Commands

### Step

Performs a single step on the target. Returns OK once the step has successfully been initiated. Once the step has completed a BREAK event is generated asynchronously.

Table 111. Step command format

Field | Size | Description
--- | --- | ---
CMD_AVR8_STEP | 1 byte | Command ID
Version (0x00) | 1 byte | Command version
Level | 1 byte | 0x01: instruction level step 0x02: statement level step (deprecated)
Mode | 1 byte | 0x00: step over (deprecated) 0x01: step into 0x02: step out (deprecated)

Responses:

- OK

- FAILED

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